diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-09 14:45:54 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-09 14:45:54 -0800 |
commit | 96a6de1a541c86e9e67b9c310c14db4099bd1cbc (patch) | |
tree | e77eb0e998e996f53dd0709611bd8cdd8776ee70 /drivers/media/pci/pt1/pt1.c | |
parent | 36011ddc78395b59a8a418c37f20bcc18828f1ef (diff) | |
parent | 15d90a6ae98e6d2c68497b44a491cb9efbb98ab1 (diff) |
Merge tag 'media/v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- remove sensor drivers that got converted from soc_camera
- remaining soc_camera drivers got moved to staging
- some documentation cleanups and improvements
- the imx staging driver now supports imx7
- the ov9640, mt9m001 and mt9m111 got converted from soc_camera
- the vim2m driver now does what a m2m convert driver expects to do
- epoll() fixes on media subsystems
- several drivers fixes, typos, cleanups and improvements
* tag 'media/v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (346 commits)
media: dvb/earth-pt1: fix wrong initialization for demod blocks
media: vim2m: Address some coding style issues
media: vim2m: don't use BUG()
media: vim2m: speedup passthrough copy
media: vim2m: add an horizontal scaler
media: vim2m: don't accept YUYV anymore as output format
media: vim2m: add vertical linear scaler
media: vim2m: better handle cap/out buffers with different sizes
media: vim2m: use different framesizes for bayer formats
media: vim2m: add support for VIDIOC_ENUM_FRAMESIZES
media: vim2m: ensure that width is multiple of two
media: vim2m: improve debug messages
media: vim2m: add bayer capture formats
media: a few more typos at staging, pci, platform, radio and usb
media: Documentation: fix several typos
media: staging: fix several typos
media: include: fix several typos
media: common: fix several typos
media: v4l2-core: fix several typos
media: usb: fix several typos
...
Diffstat (limited to 'drivers/media/pci/pt1/pt1.c')
-rw-r--r-- | drivers/media/pci/pt1/pt1.c | 54 |
1 files changed, 48 insertions, 6 deletions
diff --git a/drivers/media/pci/pt1/pt1.c b/drivers/media/pci/pt1/pt1.c index f4b8030e2369..393f4c596819 100644 --- a/drivers/media/pci/pt1/pt1.c +++ b/drivers/media/pci/pt1/pt1.c @@ -200,16 +200,10 @@ static const u8 va1j5jf8007t_25mhz_configs[][2] = { static int config_demod(struct i2c_client *cl, enum pt1_fe_clk clk) { int ret; - u8 buf[2] = {0x01, 0x80}; bool is_sat; const u8 (*cfg_data)[2]; int i, len; - ret = i2c_master_send(cl, buf, 2); - if (ret < 0) - return ret; - usleep_range(30000, 50000); - is_sat = !strncmp(cl->name, TC90522_I2C_DEV_SAT, strlen(TC90522_I2C_DEV_SAT)); if (is_sat) { @@ -260,6 +254,46 @@ static int config_demod(struct i2c_client *cl, enum pt1_fe_clk clk) return 0; } +/* + * Init registers for (each pair of) terrestrial/satellite block in demod. + * Note that resetting terr. block also resets its peer sat. block as well. + * This function must be called before configuring any demod block + * (before pt1_wakeup(), fe->ops.init()). + */ +static int pt1_demod_block_init(struct pt1 *pt1) +{ + struct i2c_client *cl; + u8 buf[2] = {0x01, 0x80}; + int ret; + int i; + + /* reset all terr. & sat. pairs first */ + for (i = 0; i < PT1_NR_ADAPS; i++) { + cl = pt1->adaps[i]->demod_i2c_client; + if (strncmp(cl->name, TC90522_I2C_DEV_TER, + strlen(TC90522_I2C_DEV_TER))) + continue; + + ret = i2c_master_send(cl, buf, 2); + if (ret < 0) + return ret; + usleep_range(30000, 50000); + } + + for (i = 0; i < PT1_NR_ADAPS; i++) { + cl = pt1->adaps[i]->demod_i2c_client; + if (strncmp(cl->name, TC90522_I2C_DEV_SAT, + strlen(TC90522_I2C_DEV_SAT))) + continue; + + ret = i2c_master_send(cl, buf, 2); + if (ret < 0) + return ret; + usleep_range(30000, 50000); + } + return 0; +} + static void pt1_write_reg(struct pt1 *pt1, int reg, u32 data) { writel(data, pt1->regs + reg * 4); @@ -987,6 +1021,10 @@ static int pt1_init_frontends(struct pt1 *pt1) goto tuner_release; } + ret = pt1_demod_block_init(pt1); + if (ret < 0) + goto fe_unregister; + return 0; tuner_release: @@ -1245,6 +1283,10 @@ static int pt1_resume(struct device *dev) pt1_update_power(pt1); usleep_range(1000, 2000); + ret = pt1_demod_block_init(pt1); + if (ret < 0) + goto resume_err; + for (i = 0; i < PT1_NR_ADAPS; i++) dvb_frontend_reinitialise(pt1->adaps[i]->fe); |